Bagging, heat-sealing and bag-opening mechanism

The utility model discloses a bagging, heat-sealing and bag-opening mechanism, which relates to the technical field of bagging, heat-sealing and bag-opening mechanisms and comprises a base and a bag upending unit. The front end and the rear end of the upper side of the base are each provided with a first supporting frame, the upper sides of the two first supporting frames are each provided with a bag opening unit, and each bag opening unit is composed of a lifting air cylinder, a rotating air cylinder, a bag opening air cylinder, a bag opening plate and other structures. The bag fixing unit comprises a sliding groove, a sliding block and a power assembly, the sliding groove is formed in the middle of the upper side of the base in the front-back direction, after a sizing material is bagged, the inner ends of the two bag opening plates corresponding to the front end and the rear end in the up-down direction are closed inwards, and the bag opening plates with the front end and the rear end in the closed state ar